Trimethoprim lactate

Classification：API

Description：Specification of Analysisitemsspecificationsanalysis results ......

Specification of Analysis

items	specifications	analysis results
appearance	white powder	white powder
solubility	very slightly soluble in water, slightly soluble in alcohol	conform
identification (ir)	complies with reference spectrum	conform
solution	not more intensely colored than reference by7	conform
single impurity	≤0.1%	<0.1%
total impurities	≤ 0.2%	<0.2%
heavy metals	≤ 20 ppm	< 20 ppm
loss on drying	≤ 1.0%	0.3%
sulphated ash	≤ 0.1%	0.02%
impurity k	≤ 5 ppm	conform
assay	98.5% ~ 101.0%	99.9%
conclusion	complies with the requirements of bp2002/ ep6